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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog output memory location?
During day-to-day operation of an industrial network, some device addresses may change depending on the needs of the system. Which of the answers represents the normal state of a physical address during normal operations?
For larger network configuration in IPv4, the more practical option is dynamic addressing. Which of the options below is a vital difference between static and dynamic addressing?
There are numerous threats to the security of a DCS. Which of the security measures below would use a password on the BIOS to prevent unauthorized changes?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input status would use?
There are commonly two configurations a programmer would use for workstations. Which of the answers below would best be described as a workstation that has the majority of the data processing done by the server?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship of the process control inputs?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a flashing alarm?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would describe the red number in the picture below?
Which of the antenna below could best be described as the most direction sensitive?
In each OSI layer, each device must be identified to be used. In which of the layers below does the physical address of each network device reside?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the accounting system?
Which of the recommended standards below is best describes as a DTE to DCE connection only?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below provide supplementary information about specific alarms to an operator?
Which of the answers below is best represented by the number "7" on a typical H1 segment?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the router interacts with?
Subnet masks in IPv4 are used to divide an existing network. A class B network with 2 nodes, one with an IP address of 128.0.0.1 and a mask of 255.255.0.0. Which of the answers below reflects the address the other node must have for the two nodes to communicate?
Which of the components below best represents the letter "D"?
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameter within the set range?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?